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Heat Resistance Strips - RAIL- HTMStrip
1. TECHNICAL INFORMATION
Resistance Alloys (India) Ltd.
Electric Resistance Heating Alloy RAIL®- HTM Wire
RAIL®-HTM is an advanced, high purity, high temperature metallurgical product of ferritic ironchromium-aluminum alloy (Fe-Cr-Al alloy) with life enhancing additive Re. It can be used at
wire temperature up to 1425°C
RAIL®-HTM has several unique characteristics like higher resistivity, superior oxidation,
high temperature use, lower density, higher yield and exceptional long life.
RAIL®-HTM is specially recommended for use in powder metallurgy furnaces, diffusion
furnaces, radiant tube heating furnaces and all kinds of furnaces that are required to be
operated at high temperature in the range of 1250 °C - 1425 °C
Chemical Composition
Cr
Al
Si
Mn
C
Re
Fe
23.5%
6.0%
<0.4%
<0.7%
<0.04%
Traces
Bal
Min
22%
5.5%
Max
25%
6.5%
Nominal
Physical, Electrical & Mechanical Properties
Density g/cm3
…
7.10
Electrical Resistivity at 20 °C mm2/m
…
1.45 0.03
Elongation %
…
Tensile Strength Kgs/mm2
…
Magnetic Property
…
+ 0.07
≥16
65-80
Magnetic
Max Continuous Operating
Temperature (in air)
…
1425 °C
Melting Temperature
…
1500 °C